package test1223;

public class Test01 {
    public static void main(String[] args) {
        // (1)互换2个变量中的值
        int a = 2;
        int b = 3;
        int c = a + b;
        a = c - a;
        b = c - b;
        System.out.println(a);
        System.out.println(b);
    }
}
